了解非常规油气概念界定上的差别,才能使中美两国间作正确的对比。勘探开发从常规向非常规延伸人类对地下资源的利用总是从较易开发、资源丰度较高、因而易获得较大经济效益的地方入手,然后随需求的扩大和技术水平的提高而向资源禀赋较差的领域扩展。大致自上世纪80年代以来, Understanding the differences between the unconventional definitions of oil and gas can we make the correct comparison between China and the United States. Exploration and development from the conventional to unconventional extension of human use of underground resources is always easier to develop, higher resource abundance, and thus easy to get greater economic benefits of the place to start, and then with the expansion of demand and improve the technical level to Areas where resource endowments are poorer are expanding. Generally from the 80s of last century,